Hardware and Virtual Machines

Worked examples (6)

• 1State key differences between RISC and CISC
• 2Identify a Flynn architecture from a description
• 3Explain how pipelining improves performance
• 4Describe the role of a virtual machine
• 5How RISC handles interrupts compared with CISC
• 6SIMD vs MIMD and massively parallel computers

Model answers (6)

• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style

Worked examples (6)

• 1Truth table for a half adder
• 2SR flip-flop circuit and truth table
• 3Truth table for a full adder
• 4Apply De Morgan, simplify, and verify by truth table
• 5Simplify using Boolean identities
• 6Minimise a 4-variable function with a Karnaugh map

Model answers (6)

• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style
• ✓Model answer — 9618 Paper 3 style